Home / 7,722.19-11,583.16-2,457.51

Finding the Fourth Proportional to 7,722.19, 11,583.16 and 2,457.51

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Solution

The fourth proportional to 7,722.19, 11,583.16 and 2,457.51 is: 3,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.19 : 11,583.16 = 2,457.51 : x
  2. Step 2: Convert to fraction form
    7,722.19/11,583.16 = 2,457.51/x
  3. Step 3: Cross multiply
    7,722.19x = 11,583.16 × 2,457.51
  4. Step 4: Simplify right side
    7,722.19x = 28,465,796.96
  5. Step 5: Solve for x
    x = 28,465,796.96/7,722.19
  6. Step 6: Final answer
    x = 3,686.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.